Process for the preparation of tripeptides

Details Process for the preparation of tripeptides Process for the preparation of tripeptides

C - Chemistry, Metallurgy

12

P

195/128.7

C12P 21/02 (2006.01) C07K 1/08 (2006.01) C07K 5/097 (2006.01)

Patent

CA 1335493

A process for the preparation of tripeptides A process for the preparation of tripeptides of the general formula I U - A - B - C - OH I in which U denotes hydrogen or a urethane protective group and A, B and C denote amino acids, by reaction of a compound of the general formula II U' - B - OH II in which U' is a urethane protective group which can be eliminated by hydrogenolysis, with a compound of the general formula III H - C - OR III in which R denotes alkyl, by the PPA method, elimination of U', reaction of the resulting compound with a compound of the general formula IV H - B - C - OR IV by the PPA method and subsequent enzymatic elimination of R. The tripeptides are intermediates used in the synthesis of bioactive peptides.

614545

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